/*
 * RED5 Open Source Flash Server - http://code.google.com/p/red5/
 * 
 * Copyright 2006-2014 by respective authors (see below). All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.red5.server.api.scope;

import org.red5.server.exception.ScopeNotFoundException;

/**
 * Resolve the scope from given a host and path. Resolver implementations
 * depend on context naming strategy and so forth.
 */
public interface IScopeResolver {

	/**
	 * Return the global scope.
	 * 
	 * @return      Global scope
	 */
	public IGlobalScope getGlobalScope();

	/**
	 * Get the scope for a given path.
	 * 
	 * @param path Path to return the scope for
	 * @return      Scope for passed path
	 * @throws ScopeNotFoundException If scope doesn't exist an can't be created
	 */
	public IScope resolveScope(String path);

	/**
	 * Get the scope for a given path from a root scope.
	 * 
	 * @param root The scope to start traversing from.
	 * @param path Path to return the scope for.
	 * @return		Scope for passed path.
	 */
	public IScope resolveScope(IScope root, String path);

}